the cost of obesity the way it impacts individuals and insurance companies and employers, the cost of diabetes, cost of heart disease, cost of cardiovascular, it is the best investment you can make from roi point of view as being healthy. from our point of view we focus on that value message. tracy: you hope that is how people are thinking, right. >> right. tracy: at the end of the day if i pay a little bit now to take care of myself it helps the entire economy down the road with health care costs on the rise. >> big-time. tracy: you still have people wanting to show up at meetings? $4 billion industry, how do you differentiate yourself? >> we're completely different. which is, our approach is to give people a science-based program that has been demonstrated. we turned 50 this year. we know what we're doing. we have a science based program we launched new version of. by far the best one we ever had. comprehensively helps people get to consistently healthy lifestyle. we surround them with tools, apps, website, you name it, we got it. to help people get there and not just lose the weight but kee